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Finding the Third Proportional to 421,850.25 and 995,215.50

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Solution

The third proportional to 421,850.25 and 995,215.50 is: 2,347,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,850.25 : 995,215.50 = 995,215.50 : x
  2. Step 2: Convert to fraction form
    421,850.25/995,215.50 = 995,215.50/x
  3. Step 3: Cross multiply
    421,850.25x = 995,215.50 × 995,215.50
  4. Step 4: Simplify right side
    421,850.25x = 990,453,891,440.25
  5. Step 5: Solve for x
    x = 990,453,891,440.25/421,850.25
  6. Step 6: Final answer
    x = 2,347,880.30

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.